LED lamp box with double-sided display function

Abstract

The LED lamp box with the double-face display function comprises a box body which comprises a middle frame, box frames hinged to the front side and the rear side of the middle frame and curtains arranged on the box frames. The box frame is opened or closed relative to the middle frame; the light source comprises a lamp strip which is arranged in the middle frame and faces the box frame; the supporting mechanism is arranged between the middle frame and the box frame so as to support the box frame to keep an open state; the tensioning mechanism is used for applying pulling force to the curtain when the box frame is closed, so that the curtain is tensioned; and the pull rod is used for loosening the tension on the curtain when the box frame is opened. According to the LED lamp box with the double-face display function, the box frame is hinged to the middle frame, opening and closing are convenient, the curtain can be tensioned while the box frame is closed through the tensioning mechanism, and a better display effect is obtained. When the box frame is opened, the curtain is loosened and is convenient to disassemble and replace.

Description

Technical Field

[0001] The utility model relates to the field of lamps, in particular to a double-sided display LED light box. Background Art

[0002] In order to increase the amount of advertisements and content displayed, current light boxes usually adopt a double-sided display method, but the structure of the light box is complex and difficult to disassemble, making it difficult to replace the displayed advertisements or to repair the internal components. Advertisements are usually in the form of a curtain, which needs to be tightened when used to obtain a good display effect, which is a troublesome step. Utility Model Content

[0003] In order to solve the above problems, the present technical solution provides a double-sided display LED light box.

[0004] To achieve the above purpose, the technical solution is as follows:

[0005] Double-sided LED light box, including

[0006] The box body comprises a middle frame, box frames hinged to the front and rear sides of the middle frame, and a curtain arranged on the box frame; the box frame is opened or closed relative to the middle frame;

[0007] A light source, comprising a light strip disposed in the middle frame and facing the box frame;

[0008] A supporting mechanism, which is disposed between the middle frame and the box frame to support the box frame to maintain an open state;

[0009] The tensioning mechanism is used to apply tension to the curtain when the box frame is closed so as to tension the curtain; and is used to release the tension on the curtain when the box frame is opened.

[0010] As described above, in the double-sided display LED light box, the box frame is provided with a display window, and the curtain is laid on the display window. When the box frame is opened from closed to open, the tensioning mechanism gradually reduces the tension applied to the curtain, so that the curtain becomes loose; when the box frame is opened to closed, the tensioning mechanism gradually increases the tension applied to the curtain, so that the curtain is tightened.

[0011] In the double-sided display LED light box as described above, the curtain comprises a fixed edge and a movable edge arranged opposite to each other, and the tensioning mechanism presses the movable edge through the supporting mechanism to apply tension to the curtain.

[0012] As described above, the double-sided display LED light box has a fixed groove corresponding to the lower side of the display window and a movable groove corresponding to the upper side of the display window on the box frame. The curtain includes a fixed rod connected to the fixed edge and a movable rod connected to the movable edge. The fixed rod is inserted into the fixed groove, and the movable rod slides in the movable groove.

[0013] In the double-sided display LED light box as described above, the support mechanism includes a first base arranged on the middle frame, a second base arranged on the box frame, and a gas spring arranged between the first base and the second base.

[0014] As described above, the double-sided display LED light box has a sliding groove on the box frame for the second base to slide, and the supporting mechanism includes a push rod between the second base and the movable rod. When the box frame is closed, the gas spring presses the second base upward, and the second base pushes the push rod to press the movable rod upward to tension the curtain.

[0015] As described above, in the double-sided display LED light box, the support mechanism further comprises a pressure spring disposed between the push rod and the second base, and when the box frame is opened, the pressure spring pushes the second base downwardly toward the sliding groove.

[0016] In the double-sided display LED light box as described above, both ends of the movable rod extend out of the curtain to abut against the second base.

[0017] In the double-sided display LED light box as described above, the supporting mechanism and the tensioning mechanism are respectively arranged on both sides of the box frame.

[0018] As described above, in the double-sided display LED light box, a sealing strip is provided between the box frame and the middle frame.

[0019] The beneficial effects of this application are:

[0020] The utility model provides a double-sided display LED light box, wherein the box frame and the middle frame are hinged, which is convenient to open and close. Through the tensioning mechanism, the curtain can be tensioned while the box frame is closed, thereby obtaining a better display effect. When the box frame is opened, the curtain is relaxed, which is convenient for disassembly and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2It is a half-section view of the utility model. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] Double-sided LED light box, including

[0026] The box body 1 comprises a middle frame 11, a box frame 12 hinged to the front and rear sides of the middle frame 11, and a curtain 13 arranged on the box frame 12; the box frame 12 is opened or closed relative to the middle frame 11;

[0027] The light source 2 includes a light strip 21 disposed in the middle frame 11 and facing the box frame 12;

[0028] A supporting mechanism 3, which is disposed between the middle frame 11 and the box frame 12 to support the box frame 12 to maintain an open state;

[0029] The tensioning mechanism 4 is used for applying tension to the curtain 13 when the box frame 12 is closed so as to tension the curtain 13 ; and is used for releasing the tension on the curtain 13 when the box frame 12 is opened.

[0030] The utility model provides a double-sided display LED light box, wherein the box frame and the middle frame are hinged, which is convenient to open and close. Through the tensioning mechanism, the curtain can be tensioned while the box frame is closed, thereby obtaining a better display effect. When the box frame is opened, the curtain is relaxed, which is convenient for disassembly and replacement.

[0031] Further, as a preferred embodiment of the present solution but not a limitation, the box frame 12 is provided with a display window 121, and the curtain 13 is laid on the display window 121. When the box frame 12 is closed to open, the tensioning mechanism 4 gradually reduces the tension applied to the curtain 13 to relax the curtain 13; when the box frame 12 is opened to closed, the tensioning mechanism 4 gradually increases the tension applied to the curtain 13 to tighten the curtain 13. There is no need for additional operation to tighten the curtain, and the operation can be completed by rotating the box frame, which is quick and simple.

[0032] Further, as a preferred embodiment of the present invention but not limiting, the curtain 13 includes a fixed edge 131 and a movable edge 132 arranged opposite to each other, and the tensioning mechanism 4 presses the movable edge 132 through the supporting mechanism 3 to apply tension to the curtain 13. The structure is simple through the linkage of the supporting structure.

[0033] Further, as a preferred embodiment of the present invention but not limiting, the box frame 12 is provided with a fixed groove 122 corresponding to the lower side of the display window 121, and a movable groove 123 corresponding to the upper side of the display window 121, and the curtain 13 includes a fixed rod 133 connected to the fixed edge 131, and a movable rod 134 connected to the movable edge 132, the fixed rod 133 is inserted into the fixed groove 122, and the movable rod 134 slides in the movable groove 123. The curtain is first pre-fixed on the display window, that is, the movable rod is placed in the movable groove, and the fixed rod is placed in the fixed groove.

[0034] Further, as a preferred embodiment of the present solution but not a limitation, the support mechanism 3 includes a first base 31 provided on the middle frame 11, a second base 32 provided on the box frame 12, and a gas spring 33 provided between the first base 31 and the second base 32. The first base, the second base and the gas spring are hinged, and the gas spring can be extended when the box frame is tilted relative to the middle frame. When the box frame and the middle frame are closed, the box frame cannot move along the extension direction of the gas spring, achieving a self-locking effect.

[0035] Further, as a preferred embodiment of the present solution but not limiting, the box frame 12 is provided with a sliding groove 14 for the second base 32 to slide, and the support mechanism 3 includes a push rod 34 provided between the second base 32 and the movable rod 134. When the box frame 12 is closed, the gas spring 33 presses the second base 32 upward, and the second base 32 pushes the push rod 34 upward to press the movable rod 134, so as to tighten the curtain 13. When closed, the gas spring keeps pushing upward, pushing the push rod upward, thereby pushing the movable rod upward and pulling the curtain.

[0036] Further, as a preferred embodiment of the present invention but not limiting, the support mechanism 3 further includes a pressure spring 35 disposed between the push rod 34 and the second base 32, and when the box frame 12 is opened, the pressure spring 35 pushes the second base 32 below the sliding groove 14. The pressure spring provides a buffer space to prevent the curtain from being torn due to excessive pressure on the push rod.

[0037] Furthermore, as a preferred implementation manner of the present solution but not limiting, both ends of the movable rod 134 extend out of the curtain 13 to abut against the second base 32 .

[0038] Further, as a preferred implementation of this solution but not limiting, the support mechanism 3 and the tensioning mechanism 4 are respectively arranged on both sides of the box frame 12. The forces are balanced and the curtain can be evenly tensioned.

[0039] Further, as a preferred implementation of this solution but not limiting, a sealing strip 5 is provided between the box frame 12 and the middle frame 11 to prevent insects such as cockroaches from entering the box.

[0040] The above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application. Other principles and basic structures that are the same or similar to those of the present application are within the protection scope of the present application.

Claims

1. Double-sided display LED light box, characterized by: include A box body (1) comprises a middle frame (11), a box frame (12) hinged to the front and rear sides of the middle frame (11), and a curtain (13) arranged on the box frame (12); the box frame (12) is opened or closed relative to the middle frame (11); A light source (2), comprising a light strip (21) disposed in the middle frame (11) and facing the box frame (12); A supporting mechanism (3) is arranged between the middle frame (11) and the box frame (12) to support the box frame (12) to maintain an open state; The tensioning mechanism (4) is used to apply tension to the curtain (13) when the box frame (12) is closed so as to tension the curtain (13); and is used to release the tension on the curtain (13) when the box frame (12) is opened.

2. The double-sided display LED light box according to claim 1, characterized in that: The box frame (12) is provided with a display window (121), and the curtain (13) is laid on the display window (121). When the box frame (12) is closed to open, the tensioning mechanism (4) gradually reduces the tension applied to the curtain (13), so that the curtain (13) becomes loose; when the box frame (12) is opened to closed, the tensioning mechanism (4) gradually increases the tension applied to the curtain (13), so that the curtain (13) is tightened.

3. The double-sided display LED light box according to claim 2, characterized in that: The curtain (13) comprises a fixed edge (131) and a movable edge (132) arranged opposite to each other, and the tensioning mechanism (4) presses the movable edge (132) through the supporting mechanism (3) to apply a pulling force to the curtain (13).

4. The double-sided display LED light box according to claim 3, characterized in that: The box frame (12) is provided with a fixed groove (122) corresponding to the lower part of the display window (121), and a movable groove (123) corresponding to the upper part of the display window (121); the curtain (13) comprises a fixed rod (133) connected to the fixed edge (131), and a movable rod (134) connected to the movable edge (132); the fixed rod (133) is inserted into the fixed groove (122), and the movable rod (134) slides in the movable groove (123).

5. The double-sided display LED light box according to claim 4, characterized in that: The support mechanism (3) comprises a first base (31) arranged on the middle frame (11), a second base (32) arranged on the box frame (12), and a gas spring (33) arranged between the first base (31) and the second base (32).

6. The double-sided display LED light box according to claim 5, characterized in that: The box frame (12) is provided with a sliding groove (14) for the second base (32) to slide, and the supporting mechanism (3) includes a push rod (34) arranged between the second base (32) and the movable rod (134). When the box frame (12) is closed, the gas spring (33) presses the second base (32) upward, and the second base (32) pushes the push rod (34) to press the movable rod (134) upward, so that the curtain (13) is tensioned.

7. The double-sided display LED light box according to claim 6, characterized in that: The support mechanism (3) further comprises a pressure spring (35) arranged between the push rod (34) and the second base (32); when the box frame (12) is opened, the pressure spring (35) pushes the second base (32) downwardly of the sliding groove (14).

8. The double-sided display LED light box according to claim 6, characterized in that: Both ends of the movable rod (134) extend out of the curtain (13) to abut against the second base (32).

9. The double-sided display LED light box according to claim 6, characterized in that: The supporting mechanism (3) and the tensioning mechanism (4) are respectively arranged on two sides of the box frame (12).

10. The double-sided display LED light box according to claim 6, characterized in that: A sealing strip (5) is provided between the box frame (12) and the middle frame (11).

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